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Information Regarding Members of the Board of Directors and Group Management - Summary of Remuneration to Members of the Board of Directors (Parenthetical) (Detail) kr / shares in Units, kr in Millions | 12 Months Ended
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Dec. 31, 2024 SEK (kr) kr / shares | Dec. 31, 2023 $ / shares | Dec. 31, 2022 $ / shares | Dec. 31, 2021 $ / shares | Dec. 31, 2020 $ / shares
Disclosure Of Information About Board Management And Employees [Abstract] |  |  |  |  |
Share price used to calculate value of synthetic shares | kr / shares | kr 89.88 |  |  |  |
Dividend compensation per share included in value of synthetic shares | $ / shares |  | $ 2.7 | $ 2.7 | $ 2.5 | $ 2
Social security charges | kr | kr 5,466,068 |  |  |  |

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- Definition Disclosure of information about board management and employees. + References No definition available. + Details
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- Definition The amount, per share, of dividends proposed as distributions to owners. + References No definition available. + Details
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- Definition Share price used to calculate value of synthetic shares. + References No definition available. + Details
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- Definition Social security charges. + References No definition available. + Details
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